Cannon | Artillery, Gunpowder & Ballistics | Britannica
https://www.britannica.com/technology/cannon-weapon
WebMar 15, 2024 · Cannon, big gun, howitzer, or mortar, as distinguished from a musket, rifle, or other small arm. Modern cannon are complex mechanisms cast from high-grade steel and machined to exacting tolerances. They characteristically have rifled bores, though some contemporary tank-mounted and field artillery
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